Medical fluid coupler



FIG. 1 is a top plan view of a medical fluid coupler showing our new design;

FIG. 2 is a right end view;

FIG. 3 is a left end view;

FIG. 4 is a side elevational view looking from the left of FIG. 2;

FIG. 5 is a side elevational view looking from the right of FIG. 2; and,

FIG. 6 is a bottom plan view. 

The ornamental design for medical fluid coupler, as shown and described. 